25672057 has 4 divisors (see below), whose sum is σ = 27182196. Its totient is φ = 24161920.

The previous prime is 25672051. The next prime is 25672063. The reversal of 25672057 is 75027652.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is an interprime number because it is at equal distance from previous prime (25672051) and next prime (25672063).

It can be written as a sum of positive squares in 2 ways, for example, as 13133376 + 12538681 = 3624^2 + 3541^2 .

It is a cyclic number.

It is not a de Polignac number, because 25672057 - 2⁷ = 25671929 is a prime.

It is a super-2 number, since 2×25672057² = 1318109021222498, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (25672051) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 755044 + ... + 755077.

It is an arithmetic number, because the mean of its divisors is an integer number (6795549).

Almost surely, 2^25672057 is an apocalyptic number.

It is an amenable number.

25672057 is a deficient number, since it is larger than the sum of its proper divisors (1510139).

25672057 is a wasteful number, since it uses less digits than its factorization.

25672057 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1510138.

The product of its (nonzero) digits is 29400, while the sum is 34.

The square root of 25672057 is about 5066.7600101051. The cubic root of 25672057 is about 294.9987819542.

It can be divided in two parts, 2567 and 2057, that added together give a square (4624 = 68²).

The spelling of 25672057 in words is "twenty-five million, six hundred seventy-two thousand, fifty-seven".